Physics – Quantum Physics
Scientific paper
2000-12-22
Physics
Quantum Physics
References added. Appendix B shortened. Discussions extended
Scientific paper
10.1103/PhysRevA.63.062110
We analyze the short-time behavior of the survival probability in the frame of the Friedrichs model for different formfactors. We have shown that this probability is not necessary analytic at the time origin. The time when the quantum Zeno effect could be observed is found to be much smaller than usually estimated. We have also studied the anti-Zeno era and have estimated its duration.
Antoniou Ioannis
Karpov Evgueni
Pronko G.
Yarevsky E.
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